They are backed up with millions of returns from last year. Systems are obsolete. Not getting better soon. It is a document for your records. Create an online irs account and you can view it
IRS information letters about Economic Impact Payments and the Recovery Rebate Credit | Internal Revenue Service
Keep any IRS notices received related to the Economic Impact Payments with other tax records. The IRS is unable to issue a copy of the notice if it is lost or never received, even though the payment was received. Taxpayers who don't have their notices can view the amounts of the first and second Economic Impact Payments through their online account.